CVE-2023-2091 Explained : Impact and Mitigation

This article provides detailed information about CVE-2023-2091, a critical vulnerability found in KylinSoft youker-assistant on KylinOS, allowing for OS command injection.

Understanding CVE-2023-2091

CVE-2023-2091 is a critical vulnerability affecting KylinSoft youker-assistant on KylinOS. The vulnerability lies in the

adjust_cpufreq_scaling_governer

function, allowing for OS command injection. It is crucial to understand the impact and technical details of this vulnerability.

What is CVE-2023-2091?

The vulnerability in CVE-2023-2091 enables an attacker to execute malicious OS commands by manipulating unknown data in the

adjust_cpufreq_scaling_governer

function. This presents a severe security risk, especially on the local host.

The Impact of CVE-2023-2091

The impact of CVE-2023-2091 is significant, as it allows an attacker to perform OS command injections, potentially leading to unauthorized access, data theft, and system compromise. Prompt action is necessary to mitigate this risk.

Technical Details of CVE-2023-2091

Understanding the technical aspects of CVE-2023-2091 is essential to comprehend the vulnerability fully and take appropriate measures to protect the affected systems.

Vulnerability Description

The vulnerability in KylinSoft youker-assistant on KylinOS arises from the flaw in the

adjust_cpufreq_scaling_governer

function, enabling malicious actors to inject and execute OS commands. This vulnerability is classified as critical and requires immediate attention.

Affected Systems and Versions

The affected system by CVE-2023-2091 is the KylinSoft youker-assistant running on KylinOS. The specific vulnerable component is the

adjust_cpufreq_scaling_governer

function, which is prone to exploitation.

Exploitation Mechanism

Exploiting CVE-2023-2091 involves manipulating data to inject OS commands into the affected system, potentially leading to unauthorized actions and system compromise. The exploitability of this vulnerability poses a severe threat to system security.

Mitigation and Prevention

To address CVE-2023-2091 effectively, it is crucial to implement immediate steps, adopt long-term security practices, and ensure timely patching and updates to mitigate the risk posed by this vulnerability.

Immediate Steps to Take

Upgrade to version 3.1.4.13: Upgrading to the latest version of KylinSoft youker-assistant can help address the vulnerability and prevent potential exploitation.
Monitor and restrict system access: Limiting access to critical system components can reduce the risk of unauthorized exploitation of the vulnerability.

Long-Term Security Practices

Regular security assessments: Conducting routine security assessments and audits can help identify and address vulnerabilities proactively.
Employee training: Educate users and employees on best security practices to prevent social engineering attacks and unauthorized access.

Patching and Updates

Frequent patching and system updates are essential to protect against emerging vulnerabilities and exploit techniques. Stay informed about security patches released by KylinOS and apply them promptly to enhance system security.